<!doctype html>
<meta charset=utf-8>
<meta name="timeout" content="long">
<meta name="variant" content="?white-space=pre&command=insertParagraph">
<meta name="variant" content="?white-space=pre-wrap&command=insertParagraph">
<meta name="variant" content="?white-space=pre-line&command=insertParagraph">
<meta name="variant" content="?white-space=nowrap&command=insertParagraph">
<meta name="variant" content="?white-space=pre&command=insertText">
<meta name="variant" content="?white-space=pre-wrap&command=insertText">
<meta name="variant" content="?white-space=pre-line&command=insertText">
<meta name="variant" content="?white-space=nowrap&command=insertText">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../include/editor-test-utils.js"></script>
<link rel=stylesheet href=../include/reset.css>
<title>insertparagraph in white-space specified element</title>
<body><div contenteditable></div></body>
<script>
/**
 * This test checks how insertParagraph command and insertText of "\n" works
 * in valid styles of parent (editing host itself or in an splittable element).
 */
const params = new URLSearchParams(location.search);
const style = params.get("white-space");
const isNewLineSignificant = style == "pre" || style == "pre-wrap" || style == "pre-line";
const command = params.get("command");
const editingHost = document.querySelector("div[contenteditable]");
function execInsertTextOrParagraphCommand() {
  if (command == "insertParagraph") {
    document.execCommand(command);
  } else {
    // Inserting a linefeed by insertText command should be equivalent of insertParagraph
    document.execCommand(command, false, "\n");
  }
}
for (const defaultParagraphSeparator of ["div", "p"]) {
  document.execCommand("defaultParagraphSeparator", false, defaultParagraphSeparator);
  for (const display of ["block", "inline", "inline-block"]) {
    // Inserting paragraph or inserting a linefeed in a text node which is
    // a direct child of the editing host.
    test(() => {
      editingHost.style.whiteSpace = style;
      editingHost.style.display = display;
      const utils = new EditorTestUtils(editingHost);
      utils.setupEditingHost(`abc[]`);
      editingHost.getBoundingClientRect();
      execInsertTextOrParagraphCommand();
      // If the editing host is a block, at least the new paragraph should be
      // the default paragraph separator element.
      if (display == "block") {
        assert_in_array(
          editingHost.innerHTML,
          [
            `abc<${defaultParagraphSeparator}><br></${defaultParagraphSeparator}>`,
            `<${defaultParagraphSeparator}>abc</${defaultParagraphSeparator}><${defaultParagraphSeparator}><br></${defaultParagraphSeparator}>`,
          ],
          "New paragraph should be inserted at end of the editing host"
        );
      }
      // Otherwise, i.e., the editing host is inline, insert a line break (a
      // linefeed or <br>) should be inserted instead because it's better
      // look for the users.
      // Note that an extra line break is required for making the last line
      // visible because the editing host is the last visible inline in the
      // parent block (<body>).
      else if (isNewLineSignificant) {
        assert_in_array(
          editingHost.innerHTML,
          [
            `abc\n\n`,
            `abc\n<br>`,
          ],
          "A linefeed should be inserted at end"
        );
      } else {
        assert_equals(
          editingHost.innerHTML,
          `abc<br><br>`,
          "A <br> should be inserted at end"
        );
      }
    }, `<div contenteditable style="white-space:${style}; display:${display}">abc[]</div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

    // Same as above test except the caret position.
    test(() => {
      editingHost.style.whiteSpace = style;
      editingHost.style.display = display;
      const utils = new EditorTestUtils(editingHost);
      utils.setupEditingHost(`[]abc`);
      editingHost.getBoundingClientRect();
      execInsertTextOrParagraphCommand();
      if (display == "block") {
        assert_in_array(
          editingHost.innerHTML,
          [
            `<${defaultParagraphSeparator}><br></${defaultParagraphSeparator}>abc`,
            `<${defaultParagraphSeparator}><br></${defaultParagraphSeparator}><${defaultParagraphSeparator}>abc</${defaultParagraphSeparator}>`,
          ],
          "New paragraph should be inserted at start of the editing host"
        );
      } else if (isNewLineSignificant) {
        assert_in_array(
          editingHost.innerHTML,
          [
            `\nabc`,
            `\nabc<br>`,
          ],
          "A linefeed should be inserted at start"
        );
      } else {
        assert_in_array(
          editingHost.innerHTML,
          [
            `<br>abc`,
            `<br>abc<br>`,
          ],
          "A <br> should be inserted at start"
        );
      }
    }, `<div contenteditable style="white-space:${style}; display:${display}">[]abc</div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

    // Same as above test except the caret position.
    test(() => {
      editingHost.style.whiteSpace = style;
      editingHost.style.display = display;
      const utils = new EditorTestUtils(editingHost);
      utils.setupEditingHost(`a[]bc`);
      editingHost.getBoundingClientRect();
      execInsertTextOrParagraphCommand();
      if (display == "block") {
        assert_in_array(
          editingHost.innerHTML,
          [
            `a<${defaultParagraphSeparator}>bc</${defaultParagraphSeparator}>`,
            `<${defaultParagraphSeparator}>a</${defaultParagraphSeparator}><${defaultParagraphSeparator}>bc</${defaultParagraphSeparator}>`,
          ],
          "New paragraph should split the text"
        );
      } else if (isNewLineSignificant) {
        assert_in_array(
          editingHost.innerHTML,
          [
            `a\nbc`,
            `a\nbc<br>`,
          ],
          "A linefeed should be inserted"
        );
      } else {
        assert_in_array(
          editingHost.innerHTML,
          [
            `a<br>bc`,
            `a<br>bc<br>`,
          ],
          "A <br> should be inserted"
        );
      }
    }, `<div contenteditable style="white-space:${style}; display:${display}">a[]bc</div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

    // Inserting paragraph or inserting a linefeed in a text node after
    // executing the "italic" command.  The paragraph or line break result
    // should be same as above, but the text in the new paragraph or new line
    // should be wrapped in <i>.
    test(() => {
      editingHost.style.whiteSpace = style;
      editingHost.style.display = display;
      const utils = new EditorTestUtils(editingHost);
      utils.setupEditingHost(`abc[]`);
      editingHost.getBoundingClientRect();
      document.execCommand("italic");
      execInsertTextOrParagraphCommand();
      document.execCommand("inserttext", false, "def");
      if (display == "block") {
        assert_in_array(
          editingHost.innerHTML,
          [
            `abc<${defaultParagraphSeparator}><i>def</i></${defaultParagraphSeparator}>`,
            `<${defaultParagraphSeparator}>abc</${defaultParagraphSeparator}><${defaultParagraphSeparator}><i>def</i></${defaultParagraphSeparator}>`,
            `<${defaultParagraphSeparator}>abc</${defaultParagraphSeparator}><${defaultParagraphSeparator}><i>def<br></i></${defaultParagraphSeparator}>`,
            `<${defaultParagraphSeparator}>abc</${defaultParagraphSeparator}><${defaultParagraphSeparator}><i>def</i><br></${defaultParagraphSeparator}>`,
          ],
          "New paragraph should be inserted at end of the editing host whose text should be italic"
        );
      } else if (isNewLineSignificant) {
        assert_in_array(
          editingHost.innerHTML,
          [
            `abc\n<i>def</i>`,
            `abc\n<i>def\n</i>`,
            `abc\n<i>def<br></i>`,
            `abc\n<i>def</i>\n`,
            `abc\n<i>def</i><br>`,
          ],
          "The new line should be italic"
        );
      } else {
        assert_in_array(
          editingHost.innerHTML,
          [
            `abc<br><i>def</i>`,
            `abc<br><i>def<br></i>`,
            `abc<br><i>def</i><br>`,
          ],
          "The new line should be italic"
        );
      }
    }, `<div contenteditable style="white-space:${style}; display:${display}">abc[]</div> (defaultParagraphSeparator: ${defaultParagraphSeparator}) (preserving temporary inline style test)`);

    // Inserting paragraph or inserting a linefeed in a text node which is
    // wrapped in a <b>.  The paragraph or line break result should be same as
    // above, but the <b> element should be duplicated in the new paragraph
    // or shouldn't be split if inserting a line break.
    test(() => {
      editingHost.style.whiteSpace = style;
      editingHost.style.display = display;
      const utils = new EditorTestUtils(editingHost);
      utils.setupEditingHost(`<b>abc[]</b>`);
      editingHost.getBoundingClientRect();
      execInsertTextOrParagraphCommand();
      document.execCommand("inserttext", false, "def");
      if (display == "block") {
        assert_in_array(
          editingHost.innerHTML,
          [
            `<b>abc</b><${defaultParagraphSeparator}><b>def</b></${defaultParagraphSeparator}>`,
            `<${defaultParagraphSeparator}><b>abc</b></${defaultParagraphSeparator}><${defaultParagraphSeparator}><b>def</b></${defaultParagraphSeparator}>`,
            `<${defaultParagraphSeparator}><b>abc</b></${defaultParagraphSeparator}><${defaultParagraphSeparator}><b>def<br></b></${defaultParagraphSeparator}>`,
            `<${defaultParagraphSeparator}><b>abc</b></${defaultParagraphSeparator}><${defaultParagraphSeparator}><b>def</b><br></${defaultParagraphSeparator}>`,
          ],
          "New paragraph should be inserted at end of the editing host whose text should be bold"
        );
      } else if (isNewLineSignificant) {
        assert_in_array(
          editingHost.innerHTML,
          [
            `<b>abc\ndef</b>`,
            `<b>abc\ndef\n</b>`,
            `<b>abc\ndef<br></b>`,
            `<b>abc\ndef</b>\n`,
            `<b>abc\ndef</b><br>`,
          ],
          "The new line should be bold"
        );
      } else {
        assert_in_array(
          editingHost.innerHTML,
          [
            `<b>abc<br>def</b>`,
            `<b>abc<br>def<br></b>`,
            `<b>abc<br>def</b><br>`,
          ],
          "The new line should be bold"
        );
      }
    }, `<div contenteditable style="white-space:${style}; display:${display}"><b>abc[]</b></div> (defaultParagraphSeparator: ${defaultParagraphSeparator}) (preserving inline style test)`);

    for (const paragraph of ["div", "p"]) {
      // Inserting paragraph or inserting a linefeed in a splittable paragraph
      // (<p> or <div>) whose `white-space` is specified.
      test(() => {
        editingHost.style.whiteSpace = "normal";
        editingHost.style.display = display;
        const utils = new EditorTestUtils(editingHost);
        utils.setupEditingHost(`<${paragraph} style="white-space:${style}">abc[]</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        // Even if the editing host is inline, the command should be handled
        // with in the splittable paragraph.  Therefore, the paragraph should
        // be just split and the style attribute should be cloned to keep same
        // style in the new paragraph.
        assert_equals(
          editingHost.innerHTML,
          `<${paragraph} style="white-space:${style}">abc</${paragraph}><${paragraph} style="white-space:${style}"><br></${paragraph}>`,
          "New paragraph should be inserted at end of the paragraph"
        );
      }, `<div contenteditable style="display:${display}"><${paragraph} style="white-space:${style}">abc[]</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

      // Same as above test except the caret position.
      test(() => {
        editingHost.style.whiteSpace = "normal";
        editingHost.style.display = display;
        const utils = new EditorTestUtils(editingHost);
        utils.setupEditingHost(`<${paragraph} style="white-space:${style}">[]abc</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        assert_in_array(
          editingHost.innerHTML,
          [
            `<${paragraph} style="white-space:${style}"><br></${paragraph}><${paragraph} style="white-space:${style}">abc</${paragraph}>`,
            `<${paragraph} style="white-space:${style}"><br></${paragraph}><${paragraph} style="white-space:${style}">abc<br></${paragraph}>`,
          ],
          "New paragraph should be inserted at start of the paragraph"
        );
      }, `<div contenteditable style="display:${display}"><${paragraph} style="white-space:${style}">[]abc</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

      // Same as above test except the caret position.
      test(() => {
        editingHost.style.whiteSpace = "normal";
        editingHost.style.display = display;
        const utils = new EditorTestUtils(editingHost);
        utils.setupEditingHost(`<${paragraph} style="white-space:${style}">a[]bc</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        assert_in_array(
          editingHost.innerHTML,
          [
            `<${paragraph} style="white-space:${style}">a</${paragraph}><${paragraph} style="white-space:${style}">bc</${paragraph}>`,
            `<${paragraph} style="white-space:${style}">a</${paragraph}><${paragraph} style="white-space:${style}">bc<br></${paragraph}>`,
          ],
          "The paragraph should be split"
        );
      }, `<div contenteditable style="display:${display}"><${paragraph} style="white-space:${style}">a[]bc</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

      // Inserting paragraph or inserting a linefeed in a splittable paragraph
      // in the editing host whose `white-space` is specified.
      test(() => {
        editingHost.style.whiteSpace = style;
        editingHost.style.display = display;
        const utils = new EditorTestUtils(editingHost);
        utils.setupEditingHost(`<${paragraph}>abc[]</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        // Same as previous tests, the splittable paragraph should be split.
        // The `white-space` style of the ancestor block or the inline editing
        // host should not affect to the behavior because we can just split
        // the paragraph.
        assert_equals(
          editingHost.innerHTML,
          `<${paragraph}>abc</${paragraph}><${paragraph}><br></${paragraph}>`,
          "New paragraph should be inserted at end of the paragraph"
        );
      }, `<div contenteditable style="display:${display}; white-space:${style}"><${paragraph}>abc[]</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

      // Same as above test except the caret position.
      test(() => {
        editingHost.style.whiteSpace = style;
        editingHost.style.display = display;
        const utils = new EditorTestUtils(editingHost);
        utils.setupEditingHost(`<${paragraph}>[]abc</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        assert_in_array(
          editingHost.innerHTML,
          [
            `<${paragraph}><br></${paragraph}><${paragraph}>abc</${paragraph}>`,
            `<${paragraph}><br></${paragraph}><${paragraph}>abc<br></${paragraph}>`,
          ],
          "New paragraph should be inserted at start of the paragraph"
        );
      }, `<div contenteditable style="display:${display}; white-space:${style}"><${paragraph}>[]abc</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

      // Same as above test except the caret position.
      test(() => {
        editingHost.style.whiteSpace = style;
        editingHost.style.display = display;
        const utils = new EditorTestUtils(editingHost);
        utils.setupEditingHost(`<${paragraph}>a[]bc</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        assert_in_array(
          editingHost.innerHTML,
          [
            `<${paragraph}>a</${paragraph}><${paragraph}>bc</${paragraph}>`,
            `<${paragraph}>a</${paragraph}><${paragraph}>bc<br></${paragraph}>`,
          ],
          "The paragraph should be split"
        );
      }, `<div contenteditable style="display:${display}; white-space:${style}"><${paragraph}>a[]bc</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

      // Inserting paragraph or inserting a linefeed in a splittable paragraph
      // element whose `display` and `white-space` are specified.
      test(() => {
        editingHost.style.whiteSpace = "normal";
        editingHost.style.display = "block";
        const utils = new EditorTestUtils(editingHost);
        const styleAttr = `style="display:${display}; white-space:${style}"`;
        utils.setupEditingHost(`<${paragraph} ${styleAttr}>abc[]</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        // If the paragraph is a normal block, we can just split the paragraph.
        if (display == "block") {
          assert_equals(
            editingHost.innerHTML,
            `<${paragraph} ${styleAttr}>abc</${paragraph}><${paragraph} ${styleAttr}><br></${paragraph}>`,
            "New paragraph should be inserted at end of the paragraph"
          );
        }
        // Otherwise, the paragraph is an inline, splitting the paragraph
        // element does not look like inserting paragraph for the users
        // because it would just duplicate the inlined element.
        // Therefore, the split paragraph should be wrapped into the new
        // paragraph (considered with the default paragraph separator) at
        // least.  However, <p> cannot contain <p> nor <div> which may be
        // styled as inline.  Therefore, <div> should be used for the new
        // paragraph even if the default paragraph separator is <p>.
        else {
          assert_in_array(
            editingHost.innerHTML,
            [
              `<${paragraph} ${styleAttr}>abc</${paragraph}><div><${paragraph} ${styleAttr}><br></${paragraph}></div>`,
              `<div><${paragraph} ${styleAttr}>abc</${paragraph}></div><div><${paragraph} ${styleAttr}><br></${paragraph}></div>`,
            ],
            "New paragraph should be inserted at end of the paragraph which is wrapped by a new <div>"
          );
        }
      }, `<div contenteditable><${paragraph} style="display:${display}; white-space:${style}">abc[]</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

      // Same as above test except the caret position.
      test(() => {
        editingHost.style.whiteSpace = "normal";
        editingHost.style.display = "block";
        const utils = new EditorTestUtils(editingHost);
        const styleAttr = `style="display:${display}; white-space:${style}"`;
        utils.setupEditingHost(`<${paragraph} ${styleAttr}>[]abc</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        if (display == "block") {
          assert_in_array(
            editingHost.innerHTML,
            [
              `<${paragraph} ${styleAttr}><br></${paragraph}><${paragraph} ${styleAttr}>abc</${paragraph}>`,
              `<${paragraph} ${styleAttr}><br></${paragraph}><${paragraph} ${styleAttr}>abc<br></${paragraph}>`,
            ],
            "New paragraph should be inserted at start of the paragraph"
          );
        } else {
          assert_in_array(
            editingHost.innerHTML,
            [
              `<div><${paragraph} ${styleAttr}><br></${paragraph}></div><${paragraph} ${styleAttr}>abc</${paragraph}>`,
              `<div><${paragraph} ${styleAttr}><br></${paragraph}></div><${paragraph} ${styleAttr}>abc<br></${paragraph}>`,
              `<div><${paragraph} ${styleAttr}><br></${paragraph}></div><div><${paragraph} ${styleAttr}>abc</${paragraph}></div>`,
              `<div><${paragraph} ${styleAttr}><br></${paragraph}></div><div><${paragraph} ${styleAttr}>abc<br></${paragraph}></div>`,
            ],
            "New paragraph should be inserted at start of the paragraph which is wrapped by a new <div>"
          );
        }

      }, `<div contenteditable><${paragraph} style="display:${display}; white-space:${style}">[]abc</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);

      // Same as above test except the caret position.
      test(() => {
        editingHost.style.whiteSpace = "normal";
        editingHost.style.display = "block";
        const styleAttr = `style="display:${display}; white-space:${style}"`;
        const utils = new EditorTestUtils(editingHost);
        utils.setupEditingHost(`<${paragraph} ${styleAttr}>a[]bc</${paragraph}>`);
        editingHost.getBoundingClientRect();
        execInsertTextOrParagraphCommand();
        if (display == "block") {
          assert_in_array(
            editingHost.innerHTML,
            [
              `<${paragraph} ${styleAttr}>a</${paragraph}><${paragraph} ${styleAttr}>bc</${paragraph}>`,
              `<${paragraph} ${styleAttr}>a</${paragraph}><${paragraph} ${styleAttr}>bc<br></${paragraph}>`,
            ],
            "The paragraph should be split"
          );
        } else {
          assert_in_array(
            editingHost.innerHTML,
            [
              `<${paragraph} ${styleAttr}>a</${paragraph}><div><${paragraph} ${styleAttr}>bc</${paragraph}></div>`,
              `<${paragraph} ${styleAttr}>a</${paragraph}><div><${paragraph} ${styleAttr}>bc<br></${paragraph}></div>`,
              `<div><${paragraph} ${styleAttr}>a</${paragraph}></div><div><${paragraph} ${styleAttr}>bc</${paragraph}></div>`,
              `<div><${paragraph} ${styleAttr}>a</${paragraph}></div><div><${paragraph} ${styleAttr}>bc<br></${paragraph}></div>`,
            ],
            "The paragraph should be split and the latter one should be wrapped by a new <div>"
          );
        }
      }, `<div contenteditable><${paragraph} style="display:${display}; white-space:${style}">a[]bc</${paragraph}></div> (defaultParagraphSeparator: ${defaultParagraphSeparator})`);
    }
  }
}
</script>
